Docker is a containerization platform.

The way I like to describe it is that a user can create an isolated computer inside of another computer that just has the things they've defined should be on it.

Docker knows what a user defined by the user giving it a Dockerfile when running the command. This file is how the user describes how the "computer" should look. A user could tell Docker to use a specific operating system, have specific executables and have certain environment variables.

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Published on 2022-10-12

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